Home / 5,454.72-8,182.38-1,756.68

Finding the Fourth Proportional to 5,454.72, 8,182.38 and 1,756.68

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Solution

The fourth proportional to 5,454.72, 8,182.38 and 1,756.68 is: 2,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.72 : 8,182.38 = 1,756.68 : x
  2. Step 2: Convert to fraction form
    5,454.72/8,182.38 = 1,756.68/x
  3. Step 3: Cross multiply
    5,454.72x = 8,182.38 × 1,756.68
  4. Step 4: Simplify right side
    5,454.72x = 14,373,823.30
  5. Step 5: Solve for x
    x = 14,373,823.30/5,454.72
  6. Step 6: Final answer
    x = 2,635.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.